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- [31] RARE-EARTHS AND OTHER TRACE-ELEMENTS IN CRETACEOUS CLAYS FROM CENTRAL PORTUGAL JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1988, 123 (01): : 309 - 320
- [33] RARE-EARTHS AND OTHER TRACE-ELEMENTS IN FRAGMENTS FROM BRECCIA-60018 TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1973, 54 (04): : 354 - 354
- [34] PHOTOMETRIC-DETERMINATION OF ZIRCONIUM AND HAFNIUM UNDER THEIR SIMULTANEOUS PRESENCE BY MEANS OF 4,5-DIBROMPHENYLFLUORAN UKRAINSKII KHIMICHESKII ZHURNAL, 1991, 57 (09): : 940 - 944
- [39] SEMIQUANTITATIVE TRACE DETERMINATION OF RARE-EARTHS, THORIUM, URANIUM AND OTHER ELEMENTS IN SANDS, BY SPARK SOURCE-MASS SPECTROMETRY CANADIAN JOURNAL OF SPECTROSCOPY, 1989, 34 (06): : 156 - 159
- [40] PHOTOMETRIC-DETERMINATION OF RARE-EARTH ELEMENTS WITH ARSENAZO-III IN GLASSES WITH TITANIUM INDUSTRIAL LABORATORY, 1986, 52 (02): : 108 - 109